Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Tech > Plastics & Processes > Flashcards

Plastics & Processes Flashcards

1
Q

What’s advantages of plastics and elastomers?

A

Low cost, Versatile and Transparent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What’s disadvantages of plastics
And elastomers?

A

Polluting
Manufacturer is polluting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What’s are thermoplastics?

A

Plastics which can be heated and shaped many times

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Examples of thermoplastics?

A

ABS
Acrylic
Nylon
Polypropylene
Polyethene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are thermosetting plastics?

A

Plastics which can be heated and shaped only once

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Examples of thermosetting plastics?

A

Urea Formaldehyde
Melamine Formaldehyde

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are elastomers?

A

Plastics which are rubbery and springy
Can be thermoplastics or thermosetting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Examples of elastomers?

A

Rubber
Silicon Rubber
Neoprene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Explain Additives?

A

Mixed in with plastics to improve properties ex last longer, easier to work, more colourful

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Explain Fillers?

A

Added to plastics to bulk them out and reduce the amount of polymer being used

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are common additives?

A

Colouring
UV stabilizers
Lubricants
Flame retardants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are common fillers?

A

Glass beads
Metal powder
Sawdust
Ceramic powder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are sheet processes?

A

Vaccum forming
Laser cutting
Line bending
Blanking and piercing
Press forming

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What’s line bending used to make?

A

Riot shields
Acrylic lecterns
Covid screens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Identifying features of vaccum forming?

A

Open
Large draft angles
Large round corners

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What’s identifying features of laser cutting?

A

Thin sheets
High accuracy
Burn marks on wood

17
Q

What’s identifying features of line bending?

A

Straight line bends
Distortion at corners

18
Q

What’s identifying features of blanking and piercing?

A

Very accurate

19
Q

What’s identifying techniques of press forming?

A

Thin sheet material
Rounded corners
Good surface texture

20
Q

What would you use injection moulding to make?

A

Toys
Storage tubs
Chairs

21
Q

What would you use compression moulding to make?

A

Wellies
Safety hats
Shoe grips

22
Q

What would you use blow moulding to make?

A

Bottles
Containers
Medical vessels

23
Q

What’s identifying features of blow moulding?

A

Hollow containers
No interior detailing
Constant wall thickness

24
Q

What would you use extrusion to make?

A

Window frames
Pipes
Beams

25
Q

What’s identifying features of extrusion?

A

Long thin objects
Complex cross section

Tech (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions